diff --git a/DysonNetwork.Sphere/Account/AccountService.cs b/DysonNetwork.Sphere/Account/AccountService.cs
index fab8bf1..0d59fe3 100644
--- a/DysonNetwork.Sphere/Account/AccountService.cs
+++ b/DysonNetwork.Sphere/Account/AccountService.cs
@@ -1,3 +1,4 @@
+using System.Globalization;
 using DysonNetwork.Sphere.Auth;
 using DysonNetwork.Sphere.Storage;
 using EFCore.BulkExtensions;
@@ -14,6 +15,18 @@ public class AccountService(
     ICacheService cache
 )
 {
+    public static void SetCultureInfo(Account account)
+    {
+        SetCultureInfo(account.Language);
+    }
+
+    public static void SetCultureInfo(string? languageCode)
+    {
+        var info = new CultureInfo(languageCode ?? "en-us", false);
+        CultureInfo.CurrentCulture = info;
+        CultureInfo.CurrentUICulture = info;
+    }
+    
     public const string AccountCachePrefix = "account:";
 
     public async Task PurgeAccountCache(Account account)
diff --git a/DysonNetwork.Sphere/Account/MagicSpellService.cs b/DysonNetwork.Sphere/Account/MagicSpellService.cs
index 8ab6f23..ff2e4a9 100644
--- a/DysonNetwork.Sphere/Account/MagicSpellService.cs
+++ b/DysonNetwork.Sphere/Account/MagicSpellService.cs
@@ -78,10 +78,7 @@ public class MagicSpellService(
             .Where(a => a.Id == spell.AccountId)
             .Select(a => a.Language)
             .FirstOrDefaultAsync();
-
-        var cultureInfo = new CultureInfo(accountLanguage ?? "en-us", false);
-        CultureInfo.CurrentCulture = cultureInfo;
-        CultureInfo.CurrentUICulture = cultureInfo;
+        AccountService.SetCultureInfo(accountLanguage);
 
         try
         {
diff --git a/DysonNetwork.Sphere/Chat/ChatRoomController.cs b/DysonNetwork.Sphere/Chat/ChatRoomController.cs
index 29efc67..c33d878 100644
--- a/DysonNetwork.Sphere/Chat/ChatRoomController.cs
+++ b/DysonNetwork.Sphere/Chat/ChatRoomController.cs
@@ -741,6 +741,7 @@ public class ChatRoomController(
             ? localizer["ChatInviteDirectBody", sender.Nick]
             : localizer["ChatInviteBody", member.ChatRoom.Name ?? "Unnamed"];
 
+        AccountService.SetCultureInfo(member.Account);
         await nty.SendNotification(member.Account, "invites.chats", title, null, body);
     }
 }
\ No newline at end of file
diff --git a/DysonNetwork.Sphere/Post/PostService.cs b/DysonNetwork.Sphere/Post/PostService.cs
index 193499f..b67f326 100644
--- a/DysonNetwork.Sphere/Post/PostService.cs
+++ b/DysonNetwork.Sphere/Post/PostService.cs
@@ -261,6 +261,7 @@ public class PostService(
 
         if (!isSelfReact && op is not null)
         {
+            AccountService.SetCultureInfo(op);
             await nty.SendNotification(
                 op,
                 "posts.reactions.new",
diff --git a/DysonNetwork.Sphere/Publisher/PublisherSubscriptionService.cs b/DysonNetwork.Sphere/Publisher/PublisherSubscriptionService.cs
index 9148cad..725c719 100644
--- a/DysonNetwork.Sphere/Publisher/PublisherSubscriptionService.cs
+++ b/DysonNetwork.Sphere/Publisher/PublisherSubscriptionService.cs
@@ -71,6 +71,7 @@ public class PublisherSubscriptionService(
         {
             try
             {
+                AccountService.SetCultureInfo(subscription.Account);
                 await nty.SendNotification(
                     subscription.Account,
                     "posts.new",
diff --git a/DysonNetwork.Sphere/Realm/RealmService.cs b/DysonNetwork.Sphere/Realm/RealmService.cs
index 6423441..bda0da9 100644
--- a/DysonNetwork.Sphere/Realm/RealmService.cs
+++ b/DysonNetwork.Sphere/Realm/RealmService.cs
@@ -9,6 +9,7 @@ public class RealmService(AppDatabase db, NotificationService nty, IStringLocali
 {
     public async Task SendInviteNotify(RealmMember member)
     {
+        AccountService.SetCultureInfo(member.Account);
         await nty.SendNotification(
             member.Account,
             "invites.realms",